Dement

de-ment′, v.t. to drive crazy, render insane.— adj. insane, demented.— n. a demented person.— v.t. Dement′āte , to dement.— p.adj. Dement′ed , out of one's mind: insane: suffering from dementia. [L. demens , dementis , out of one's mind— de , from, and mens , the mind.]